UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 37,754	$ 116,654
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income tax provision, net	(4,414)	1,022
Provision for credit losses	2,723	936
Depreciation and amortization	4,081	5,051
Stock-based compensation expense	8,707	7,469
Defined benefit pension plan expense	632	647
Loss on deferred compensation plan investments, net	555	80
Loss on disposal or impairment of assets	1,795	1,077
Noncash lease expense	4,392	4,830
Loss on equity method investment	1,237	359
Gain on sale of discontinued operations	0	(79,602)
Other	265	722
(Increase) decrease in operating assets
Trade receivables, net	(15,085)	(14,987)
Other assets	(5,034)	(8,344)
Increase (decrease) in operating liabilities
Accrued payroll costs	31,496	9,583
Other liabilities	24,767	1,013
Cash provided by operating activities	93,871	46,510
Cash flows from investing activities:
Capital expenditures	(5,296)	(7,728)
Equity method investment	(2,500)	(7,500)
Proceeds from the sale of assets held within the Rabbi Trust	3,548	0
Net proceeds from the sale of assets held for sale	0	123,254
Cash (used in) provided by investing activities	(4,248)	108,026
Cash flows from financing activities:
Proceeds from credit facility	35,000	80,100
Payments on credit facility	0	(86,900)
Repurchases of common stock	(29,623)	(91,947)
Cash dividends	(12,619)	(12,726)
Payments on other financing arrangements	(939)	(1,353)
Other	0	(502)
Cash used in financing activities	(8,181)	(113,328)
Change in cash and cash equivalents	81,442	41,208
Cash and cash equivalents, beginning of period	19,831	112
Cash and cash equivalents, end of period	101,273	41,320
Cash Paid During the Period For:
Income taxes	13,493	16,749
Operating lease liabilities	5,641	6,256
Interest, net	1,924	1,079
Non-Cash Investing and Financing Transactions:
ROU assets obtained from operating leases	5,722	7,224
Employee stock purchase plan	411	427
Contingent contribution for equity method investment	0	1,500
Unsettled repurchases of common stock	0	1,060
Equipment acquired under finance leases	$ 0	$ 202